OpenTechnical

OT-2026-000039320

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000039320) never changes.

Identity and time

Publication numberOT-2026-000039320 · never reused
Internal UUID01a0ae78-9674-7f71-862d-aca6999049d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039320
StatusPUBLIC

Content hashes

Canonical text9b235c095f35415795592ee6c2f9b04ef7f51a038c801850f6ea2c597574372b
Markdown0c5e2ac56c13bfa529b235cfdbf49e04e8dcc9de270116918e05463acde4c500
PDF
Publication page187cd83668138129ebcca3b16b6e7915588fd2dccbef73866d5fb2ecbb44f626
Manifestb1139bc0030e61d30abee946b1ef162951a749d53d52ed1e8d265a82f233ed7f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature04M78PKlwtRBO5UgjI39ld2TjFU9NT6+HF9EjCRU9mfR8hW+rTII/SjQzOjzV+QjOI53ociyA7UgDMLHzgcyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:55.010539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039320
observed 187cd83668138129ebcca3b16b6e7915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.992943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039320/manifest.json
observed b1139bc0030e61d30abee946b1ef1629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.976179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039320/publication.md
observed 0c5e2ac56c13bfa529b235cfdbf49e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.958526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039320/publication.txt
observed 9b235c095f35415795592ee6c2f9b04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.